Home / 13,723.97-18,935.91-8,058.42

Finding the Fourth Proportional to 13,723.97, 18,935.91 and 8,058.42

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Solution

The fourth proportional to 13,723.97, 18,935.91 and 8,058.42 is: 11,118.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.97 : 18,935.91 = 8,058.42 : x
  2. Step 2: Convert to fraction form
    13,723.97/18,935.91 = 8,058.42/x
  3. Step 3: Cross multiply
    13,723.97x = 18,935.91 × 8,058.42
  4. Step 4: Simplify right side
    13,723.97x = 152,593,515.86
  5. Step 5: Solve for x
    x = 152,593,515.86/13,723.97
  6. Step 6: Final answer
    x = 11,118.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.